The Minimum Sample Size N Required to Estimate a Population

question 79

Multiple Choice

The minimum sample size n required to estimate a population mean with 95% confidence and the desired margin of error 1.5 was found to be 198. Which of the following is the approximate value of the assumed estimate of the population standard deviation?

• A) 10.7690
• B) 12.8309
• C) 115.9671
• D) 164.6326

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Definitions:

Standard Hour Incentive Plan

A compensation system that pays employees extra for efficiency, based on standard times established for completing their work.

Performance Appraisals

The regular review and evaluation of an employee's job performance and overall contribution to an organization.

Piecework Rate

Rate of pay per unit produced.

Production Workers

Individuals involved in the manufacturing or assembly phase of production, responsible for operating machinery, building goods, and maintaining efficiency on the production line.